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Last updated: 11/27/2015 12:14:01 PM

CVE Publication rate: 13.93

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National Cyber Awareness System

Vulnerability Summary for CVE-2008-3068

Original release date: 07/07/2008
Last revised: 10/30/2012


Microsoft Crypto API 5.131.2600.2180 through 6.0, as used in Outlook, Windows Live Mail, and Office 2007, performs Certificate Revocation List (CRL) checks by using an arbitrary URL from a certificate embedded in a (1) S/MIME e-mail message or (2) signed document, which allows remote attackers to obtain reading times and IP addresses of recipients, and port-scan results, via a crafted certificate with an Authority Information Access (AIA) extension.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.5 (HIGH) (AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: SECTRACK
Name: 1019736
External Source: BUGTRAQ
Name: 20080709 Re: Unauthorized reading confirmation from Outlook
External Source: SREASON
Name: 3978
External Source: MISC
Name: https://www.cynops.de/advisories/AKLINK-SA-2008-002.txt
External Source: SECTRACK
Name: 1019738
External Source: MISC
Name: https://www.cynops.de/techzone/http_over_x509.html
External Source: MISC
Name: https://www.cynops.de/advisories/AKLINK-SA-2008-003.txt
External Source: SECTRACK
Name: 1019737
External Source: BID
Name: 28548
External Source: BUGTRAQ
Name: 20080703 Unauthorized reading confirmation from Outlook
External Source: MISC
Name: https://www.cynops.de/advisories/AKLINK-SA-2008-004.txt

Technical Details

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